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chromium/chromium-85.0.4183.102-inva...

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diff -up chromium-85.0.4183.102/net/cookies/cookie_monster.cc.fixme chromium-85.0.4183.102/net/cookies/cookie_monster.cc
--- chromium-85.0.4183.102/net/cookies/cookie_monster.cc.fixme 2020-09-21 14:52:06.606722391 -0400
+++ chromium-85.0.4183.102/net/cookies/cookie_monster.cc 2020-09-21 14:53:40.247366159 -0400
@@ -1151,9 +1151,14 @@ CookieMonster::CookieMap::iterator Cooki
// |num_keys_| counter.
bool different_prev =
inserted == cookies_.begin() || std::prev(inserted)->first != key;
- bool different_next =
- inserted == cookies_.end() || std::next(inserted)->first != key;
- if (different_prev && different_next)
+ // According to std::multiqueue documentation:
+ // "If the container has elements with equivalent key, inserts at the upper
+ // bound of that range. (since C++11)"
+ // This means that "inserted" iterator either points to the last element in
+ // the map, or the element succeeding it has to have different key.
+ DCHECK(std::next(inserted) == cookies_.end() ||
+ std::next(inserted)->first != key);
+ if (different_prev)
++num_keys_;
return inserted;
@@ -1373,7 +1378,7 @@ void CookieMonster::InternalDeleteCookie
bool different_prev =
it == cookies_.begin() || std::prev(it)->first != it->first;
bool different_next =
- it == cookies_.end() || std::next(it)->first != it->first;
+ std::next(it) == cookies_.end() || std::next(it)->first != it->first;
if (different_prev && different_next)
--num_keys_;